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Bell + Howell 50104 Motion Activated Ultrasonic Solar Powered with Rechargeable Batteries
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- Protects your yard from unwanted pests like raccoons, skunks, deer, squirrels, mice, stray dogs, rabbits
- Solar Powered, no need for batteries
- Has mounting bracket in back for easy mounting to wall or tree and bonus garden stake so it can be placed practically anywhere
- Built in infrared motion detector
- Repels animals from 30 feet away, weather resistant, mounts to wall or fence
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Top Customer Reviews
THE PRODUCT ITSELF? Everything seems to work up to the DETERRENT part: batteries, red detection LED, ground stake (I did not test the solar array). Initial problem (and the one that sent me researching auditory ranges of animals) is that the unit offers no way of verifying that a high frequency noise is even being emitted. I found several university-based research reports on the auditory capabilities of common wild and domestic animals, most of which have hearing ranges in the ultra sonic spectrum; exceptions include elephants and DEER. Deer auditory ranges overlap with that of humans and max out below the top of the human sensitivities (around 18k hertz) and are centered around 6k hertz). So, if deer can hear it, so can we. I heard nothing coming from the unit's voicebox; and neither did the local domestic animals (3 dogs and 4 cats): NO REACTION WHATSOEVER and certainly no hint that whatever was emitted from this green box reached STARTLING or DETERRENT levels. I mention deer specifically because the listing on Amazon (and other mail order sources) includes deer, the box lists deer, and deer are my particular problem animal.Read more ›
Second unit activated at 10 feet not 30. Tweeter activates but same dog 5 feet away perked up her ears but was not "repelled"!
I believed there is a design defect and should not be sold as advertised. Both units will be returned.
If I can figure out how to get my money back, I will.....
Most Recent Customer Reviews
This worked fine during the dry season. When the rainy season arrived, the entire unit filled with water and stopped working. Read morePublished 26 days ago by valspear
Tried these to keep animals away from my plants. No effect noted.
A small red light is supposed to come on when these are activated. Read more
We have had two of this item. Shame on me when the first one died I bought another. They work for awhile but then "die. Read morePublished 1 month ago by ELLIE
We have a problem with deer in the yard. They come so close to the house that they eat Hostas and other plants to the ground right at the patio. Read morePublished 2 months ago by skysail
Ordered 2. One worked, the other malfunctioned. Deer are not deterred. Disappointed.Published 2 months ago by Philip Davis
Don't think it works good. Saw the dog walk right in front of it. My son was irritated because the sound bothered him lol.Published 3 months ago by Kim Douglas
the motion detecters do work no coons in my corn this yearPublished 3 months ago by Amazon Customer